most thermal wraps are asbestos based so ingat lang or use with care. Also if you are using cast iron/steel headers hindi sya advisable because the trapped moisture will speed up the rust build up sa headers. I had a bad lesson on this. nag le leak na pala headers ko because of the wraps... some friend tuners of mine ended up removing the wraps because ot thermal efficiency issues. yung sa mirage ok lang wala wraps kasi sa backside yung exhaust nya. unlike some cars na sa front yung exhaust kaya need ng wraps. or the best alternative is to ceramic coat mo yung headers inside and outside the pipes. pricey sya pero much better than using thermal wraps.

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